获取最近几个月的月份

获取最近几个月的月份

// An highlighted block
private List<String> getLast6Month(){
        List<String> rList = new ArrayList<>();
        try{
        Calendar c = Calendar.getInstance();
        c.add(Calendar.MONTH, -5);
        String before_six = c.get(Calendar.YEAR) + "-" + c.get(Calendar.MONTH);//六个月前
        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM");// 格式化为年月
        Calendar min = Calendar.getInstance();
        Calendar max = Calendar.getInstance();
        min.setTime(sdf.parse(before_six));
        min.set(min.get(Calendar.YEAR), min.get(Calendar.MONTH), 1);
        max.setTime(sdf.parse(sdf.format(new Date())));
        max.set(max.get(Calendar.YEAR), max.get(Calendar.MONTH), 2);
        Calendar curr = min;
        while (curr.before(max)) {
            rList.add(sdf.format(curr.getTime()));
            curr.add(Calendar.MONTH, 1);
        }
        }catch (Exception e){
            System.out.println(e.getMessage());
        }
        return rList;
    }